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/**
* Copyright 2023 JogAmp Community. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without modification, are
* permitted provided that the following conditions are met:
*
* 1. Redistributions of source code must retain the above copyright notice, this list of
* conditions and the following disclaimer.
*
* 2. Redistributions in binary form must reproduce the above copyright notice, this list
* of conditions and the following disclaimer in the documentation and/or other materials
* provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY JogAmp Community ``AS IS'' AND ANY EXPRESS OR IMPLIED
* WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND
* FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL JogAmp Community OR
* CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
* SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
* ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
* NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
* ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*
* The views and conclusions contained in the software and documentation are those of the
* authors and should not be interpreted as representing official policies, either expressed
* or implied, of JogAmp Community.
*/
package com.jogamp.gluegen;
import java.io.BufferedWriter;
import java.io.File;
import java.io.FileWriter;
import java.io.IOException;
import java.io.PrintWriter;
import java.util.HashSet;
import java.util.Set;
/**
* General code unit (a generated C or Java source file),
* covering multiple {@link FunctionEmitter} allowing to unify output, decoration and dynamic helper code injection per unit.
**/
public class CodeUnit {
public final String filename;
public final PrintWriter output;
private final Set<String> tailCode = new HashSet<String>();
/**
* @param filename the class's full filename to open w/ write access
* @param generator informal optional object that is creating this unit, used to be mentioned in a warning message if not null.
* @throws IOException
*/
protected CodeUnit(final String filename, final Object generator) throws IOException {
this.filename = filename;
this.output = openFile(filename);
}
private static PrintWriter openFile(final String filename) throws IOException {
final File file = new File(filename);
final String parentDir = file.getParent();
if (parentDir != null) {
new File(parentDir).mkdirs();
}
return new PrintWriter(new BufferedWriter(new FileWriter(file)));
}
/**
* Add a tail code to this unit
* @param c the code to be added to the tail of this code unit
* @return true if the `tailCode` set did not already contain the specified code `c`
*/
public boolean addTailCode(final String c) {
return tailCode.add(c);
}
public void emitln() {
output.println();
}
public void emitln(final String s) {
output.println(s);
}
public void emit(final String s) {
output.print(s);
}
public void emitf(final String s, final Object... args) {
output.printf(s, args);
}
public void emitTailCode() {
tailCode.forEach( (final String t) -> { output.write(t); output.println(); } );
tailCode.clear();
}
public void close() {
emitTailCode();
output.flush();
output.close();
}
@Override
public String toString() { return "CodeUnit[file "+filename+"]"; }
}
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